(Read caption)
People wait for their children outside a school attacked by the Taliban in Peshawar, Pakistan on Tuesday. Taliban gunmen stormed the military-run school in the highest-profile militant attack to hit the troubled region in months.

View photo

Updated at 10 a.m. Eastern time: The deadly siege of the school in northwest Pakistan ended Tuesday evening local time with all the Taliban militants responsible killed. CNN reports at least 130 people were killed.

Taliban gunmen unleashed their deadliest attack in recent years on Tuesday, storming a military-run school in northwest Pakistan and killing at least 130 people, most of them children.

A spokesman for the Pakistani Taliban, which are fighting to overthrow the government and create a strict Islamic state, claimed responsibility in a phone call to media. He said it was in retaliation for the military’s offensive against militants in Pakistan’s remote tribal areas.

Pervez Khattak, chief minister of the province, told reporters that the militants were wearing the uniforms of a paramilitary force and were armed with suicide vests.

Army commandos quickly arrived at the scene and exchanged fire with the attackers. By Tuesday afternoon, the military said it had pushed the gunmen to four blocks of the school and killed four, according to CNN.

The New York Times cited initial reports that the gunmen had taken dozens of students hostage. Some students managed to escape the school compound, the local news media reported.

“Our teacher told us to lie on the ground, but the firing went on and it was very loud.” Mr. Mukhtar said in a televised interview. “Then the Army came and took us out of the classrooms. In the corridor, I saw dead bodies with bullet injuries in the head. Some had wounds in their arms. I also saw our mathematics teacher lying injured on the floor.”

"I can't stay back in Islamabad. This is a national tragedy unleashed by savages. These were my kids," he said in a statement. "This is my loss. This is the nation's loss.”

Drone operations by the Pakistani military and United States in the tribal areas of northwestern Pakistan have long spurred deadly retaliation from the Taliban – known as Tehreek e Taliban Pakistan, or TTP – based in the region. As the Times reports:

Pakistani military carried out an offensive, “Operation Zab-e-Azb,” in June and have claimed to have cleared 90 percent of the restive region that has long been a redoubt of local and foreign militants.

While the Taliban have often struck security forces, checkpoints, and military bases, Reuters reports, “attacks on civilian targets with no logistical significance are relatively rare.”

Still, CNN notes that schoolchildren have previously been targeted, most notably Nobel Peace Prizewinner Malala Yousafzai, the outspoken teen whom they singled out and shot in 2012. But even by the group's violent standards, Tuesday's attack was particularly devastating, CNN reports:

Peace talks between the Taliban and the Pakistani government were held as recently as last spring, but fell apart amid a wave of attacks by the militants that intensified political pressure to quell the violence.